/*
 * Copyright (c) 2025 Li Auto Inc. and its affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef INCLUDE_VBS_TRANSPORT_ReceiverResource_H_
#define INCLUDE_VBS_TRANSPORT_ReceiverResource_H_

#include <ertps/utils/LocatorAlias.h>

namespace vbs {
namespace transport {

/**
 * Interface against which to implement a data receiver, decoupled from transport internals.
 * @ingroup TRANSPORT_MODULE
 * */
class MessageReceiverInterface {
 public:
    //! Destructor
    virtual ~MessageReceiverInterface() = default;

    /**
     * Method to be called by the transport when receiving data.
     * @param data Pointer to the received data.
     * @param size Number of bytes received.
     * @param local_locator Locator identifying the local endpoint.
     * @param remote_locator Locator identifying the remote endpoint.
     */
    virtual void processMsg(const unsigned char* data, const uint32_t size,
                            const vbsutil::xmlparser::Locator_t& local_locator,
                            const vbsutil::xmlparser::Locator_t& remote_locator) = 0;

    /**
     * Method to be called by the transport when the connection is disconnected.
     * @param local_locator Locator identifying the local endpoint.
     * @param remote_locator Locator identifying the remote endpoint.
     */
    virtual void processDisconnected(const vbsutil::xmlparser::Locator_t& local_locator,
                                     const vbsutil::xmlparser::Locator_t& remote_locator) {
        (void)local_locator;
        (void)remote_locator;
    }

    /**
     * Method to be called by the transport when the connection is accepted.
     * @param local_locator Locator identifying the local endpoint.
     * @param remote_locator Locator identifying the remote endpoint.
     */
    virtual void processAccepted(const vbsutil::xmlparser::Locator_t& local_locator,
                                 const vbsutil::xmlparser::Locator_t& remote_locator) {
        (void)local_locator;
        (void)remote_locator;
    }
};

}  // namespace transport
}  // namespace vbs

#endif  // INCLUDE_VBS_TRANSPORT_ReceiverResource_H_
